Patent US3880778A successfully refreshed from Google Patents.
US3880778A
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Automatic dishwashing compositions
Assignee: Chevron USA Inc
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Filing: 1973-05-25
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Granted: 1975-04-29
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Expires: 1993-05-25
Abstract
Abstract Automatic dishwashing detergent compositions comprising C17-C22 alkylbenzene sulfonates and sodium, lithium, or ammonium sulfates effect dishwashing without potential discharge or pollutants.
Inventors
- 👤 Ralph House
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:24
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/02; C11D3/04; C11D3/046; C11D1/00; C11D1/02; C11D1/12; C11D1/22
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
29 words
A LOW FOAMING WATER-SOLUBLE DETERGENT COMPOSITION SUITABLE FOR USE IN AUTOMATIC DISHWASHING MACHINES CONSISTING ESSENTIALLY OF A. ONE PART BY WEIGHT OF A LINEAR ALKYLBENZENE SULFONATE OF THE FORMULA
Claim 2
Dependent Claim
29 words
A LOW FOAMING WATER-SOLUBLE DETERGENT COMPOSITION SUITABLE FOR USE IN AUTOMATIC DISHWASHING MACHINES CONSISTING ESSENTIALLY OF A. ONE PART BY WEIGHT OF A LINEAR ALKYLBENZENE SULFONATE OF THE FORMULA
Claim 3
Dependent Claim
13 words
The composition of claim 1 in which X is an alkali metal cation.
Claim 4
Dependent Claim
11 words
The composition of claim 2 in which X is Na .
Claim 5
Dependent Claim
14 words
The composition of claim 1 which contains from 15 to 25 parts of (b).
Claim 6
Dependent Claim
11 words
The composition of claim 1 in which Y is Na .
Claim 7
Dependent Claim
11 words
The composition of claim 1 in which Y is Li .
Claim 8
Dependent Claim
40 words
A method of cleaning dishes, utensils, and the like in an automatic dishwasher which comprises contacting the articles to be cleaned with an aqueous solution containing from about 0.1 to 1 percent by weight of the composition of claim 1.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-04-28 | 1978-10-28 | 1979-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-04-28 | 1982-10-28 | 1983-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-04-28 | 1986-10-28 | 1987-04-29 | $7700.00 | Window Closed / Lapsed |